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Finding the Fourth Proportional to 5,575.32, 8,376.04 and 5,260.08

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Solution

The fourth proportional to 5,575.32, 8,376.04 and 5,260.08 is: 7,902.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.32 : 8,376.04 = 5,260.08 : x
  2. Step 2: Convert to fraction form
    5,575.32/8,376.04 = 5,260.08/x
  3. Step 3: Cross multiply
    5,575.32x = 8,376.04 × 5,260.08
  4. Step 4: Simplify right side
    5,575.32x = 44,058,640.48
  5. Step 5: Solve for x
    x = 44,058,640.48/5,575.32
  6. Step 6: Final answer
    x = 7,902.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.